/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.itbase.runtime;

import org.apache.iotdb.it.framework.IoTDBTestLogger;
import org.slf4j.Logger;

import java.sql.Connection;
import java.sql.SQLException;

/**
 * this is the connection instance of one single node.
 */
public class NodeConnection {

    private static final Logger logger = IoTDBTestLogger.logger;
    private final String endpoint;
    private final NodeRole nodeRole;
    private final ConnectionRole connectionRole;
    private final Connection underlyingConnecton;

    public NodeConnection(
            String endpoint,
            NodeRole nodeRole,
            ConnectionRole connectionRole,
            Connection underlyingConnecton) {
        this.endpoint = endpoint;
        this.nodeRole = nodeRole;
        this.connectionRole = connectionRole;
        this.underlyingConnecton = underlyingConnecton;
    }

    public String getEndpoint() {
        return endpoint;
    }

    public NodeRole getNodeRole() {
        return nodeRole;
    }

    public ConnectionRole getConnectionRole() {
        return connectionRole;
    }

    public Connection getUnderlyingConnecton() {
        return underlyingConnecton;
    }

    public void close() {
        try {
            underlyingConnecton.close();
        } catch (SQLException e) {
            logger.error("Close connection {} error", this, e);
        }
    }

    @Override
    public String toString() {
        return String.format("%s-%s@%s", nodeRole, connectionRole, endpoint);
    }

    public enum NodeRole {
        CONFIG_NODE,
        DATA_NODE,
    }

    public enum ConnectionRole {
        READ,
        WRITE,
    }
}
